JPH0782695B2 - Auto changer device for disk - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is for a disc in which one disc is taken out from a magazine in which a plurality of discs are stored, transferred to a player, and information recorded on the disc is read by the player. The present invention relates to an auto changer device.

2. Description of the Related Art A conventional device of this type fixes a magazine containing a plurality of discs at a predetermined position, transfers one disc taken out from the magazine in the horizontal direction, and then transfers the bottom face of the magazine. The player is operated by vertically transferring it to the turntable of the player arranged below. Further, in the case of re-loading a disc that has been played back into the magazine, the disc is first transported in the vertical direction, then further transported in the horizontal direction and re-stored in the magazine.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention As described above, since the conventional apparatus has a structure for transferring the disk taken out from the magazine in the horizontal direction and the vertical direction, the disk transfer mechanism becomes complicated and the disk is taken out from the magazine. It took a long time to play the disc.

The present invention solves the above-mentioned conventional problems, and an object of the present invention is to provide an autochanger device for a disc that can reproduce the disc in a short time after being taken out from a magazine without damaging the disc or causing scratches on the surface. It is what

Means for Solving the Problems In order to achieve the above object, the present invention provides a magazine in which a plurality of disks are stored, and a lift table on which the magazine is placed and which is supported by an apparatus housing so as to be vertically movable. , Nuts sandwiched by elastic bodies at three locations around the lifting table, and three nuts screwed into the nuts and urged downward by the elastic bodies to be rotatably supported by the device housing. A feed screw, a drive means for rotating the feed screw to move the lifting table up and down to convey a desired disc to a predetermined reference plane height position, and a disc ejecting means for ejecting the disc from the magazine. Disk transfer means for sandwiching the disk by two pairs of rubber rollers horizontally arranged at a predetermined interval and transferring the disk along the reference plane, and a turntable arranged near the reference plane. And a disk rotating means for rotating the turntable, and an information reading means for reading the information recorded on the disk.

Therefore, according to the present invention, the magazine is moved vertically while maintaining the flatness to position the desired disc to be reproduced with high accuracy on the reference plane, and the positioned disc is taken out from the magazine and taken out. Since the disc is always sandwiched in two places and can be transported to the turntable along the reference plane while maintaining the flatness without swinging up and down, it is often used in vehicles for vibration Even when used for, the disc to be played is positioned with high precision on the reference plane, the desired disc is taken out from the magazine surely, and it is transferred in only the horizontal direction without causing scratches on the disc surface in a short time. The disc can be supplied to the playback position.

Embodiment FIG. 1 shows an outline of an automatic disc changer device according to an embodiment of the present invention. In Figure 1
Reference numeral 159 is a plurality of disks housed in a magazine, 21 is an elevating table on which the magazine is placed, and the elevating table 21 is moved up and down by a screw rod 14 rotated by a motor.
Reference numeral 35 denotes a sliding plate, and when the sliding plate 35 slides, the disc in the magazine on the reference plane P is taken out. 45,4
8,65,81 are rollers for transferring the disc taken out from the magazine to the player 40 along the reference plane, 88 is a turntable, and 93 is a clamp plate for clamping the disc on the turntable 88, in the clamped state. After the turntable 88 is rotated and the information recorded on the disc is read, the disc is transported in the opposite direction along the reference plane P and is stored again in the magazine.

Next, this embodiment will be described in detail.

2 and 3, 1A and 1B are L-shaped chassis, and the box-shaped chassis 1 is constructed by screwing the ends of the chassis 1A and 1B. Reference numeral 2 denotes a board mounted inside the chassis 1, and a motor 3 is fixed to the board 2. Reference numeral 4 is a worm gear fixed to the rotation shaft of the motor 3, 5 is a large gear rotatably supported in the center of the substrate 2, and 6A, 6B, 6C are gears rotatably supported by the substrate 2, The gears 6A, 6B, 6C are always meshed with the large gear 5. Reference numeral 7 denotes a gear rotatably supported by a shaft 8 fixed to the base plate 2. The gear 7 has a worm gear portion 7A which meshes with the worm gear 4 and a gear portion 7B which meshes with the gear 6A. Has been done. When the motor 3 is rotated, its rotational force is transmitted to the large gear 5 via the worm gear 4, the pulley 7 and the gear 6A, and further to the gears 6B and 6C. Reference numeral 9 denotes a gear-shaped rotating body.
Are rotatably supported by a shaft 10 fixed to the substrate 2. A gear portion 9A that meshes with the large gear 5 is integrally formed on the lower portion of the gear-shaped rotating body 9. Reference numeral 11 denotes a photocoupler fixed to the substrate 2, and the gear-shaped rotating body 9 is interposed between a light emitting element and a light receiving element forming the photocoupler 11. When the large gear 5 is rotationally driven by the motor 3, the rotating body 9 also rotates and the photocoupler 11 generates a pulse. Reference numeral 12 is a position-detecting microswitch fixed to the substrate 2, and 13A, 13B, and 13C are bearings supported in the holes of the substrate 2. 14A, 14B, 14C are pinion gears 15A, 1 at one end
5B and 15C are fixed screw rods, and these screw rods 14A to 14C
The lower ends of the bearings are supported by the bearings 13A to 13C.
16A, 16B, 16C are chassis 1A, 1 via leaf springs 17A, 17B, 17C.
The bearings are supported in the holes of the B protruding pieces 18A, 18B, 18C, and the upper ends of the screw rods 14A to 14C are supported by the bearings 16A to 16C. In this way, the screw rods 14A to 14C are attached to the chassis 1A, 1
The protrusions 18A to 18C of B are urged downward by the bearings 16A to 16C embodied with the leaf springs 17A to 17C interposed, and by the bearings 16A to 16C and the bearings 13A to 13C supported by the substrate 2. It is rotatably supported. Small gears 15A-1 of each screw rod 14A-14C
5C meshes with the gears 6A to 6C. 19A and 19B are guide rods. One end of each of the guide rods 19A and 19B is inserted into a hole of the substrate 2, and the other end is inserted into and supported by a projecting piece of the chassis 1A and holes of 20A and 20B.

Reference numeral 21 is an elevator, and a plate 21A is fixed to the upper surface of the elevator 21. 22A to 22C are nuts having grooves on the side surfaces and flange portions at both ends, and these nuts 22A to 22C are supported in a state in which the lift table 21 is sandwiched by the flange portions at both ends. 23A to 23C are leaf springs interposed between the upper flange of the nuts 22A to 22C and the upper surface of the elevating table 21, and these leaf springs 23A to 23C have the nuts 22A to 22C attached above. The nuts 22A to 22C so that the collar-shaped portions at the lower ends of the nuts 22A to 22C
It is to be brought into contact with the lower surface of 21. Above nuts 22A-22C
Is screwed onto the above-mentioned screw rods 14A to 14C. 24A and 24B are guide holes formed in the lift table 21.
The guide rods 19A and 19B are inserted into B. When the large gear 5 is rotationally driven by the motor 3, the gears 6A to 6C rotate, and the small gears 15A to 15C meshing with the gears 6A to 6C also rotate. As a result, the screw rods 14A to 14C also rotate and the elevator board 21 moves up or down. 25A and 25B are lock pieces rotatably supported on the lifting table 21 by pins 26A and 26B, and 27A and 27B are lock pieces 25A and 2B.
The lock pieces 25A, 25B are springs for urging 5B, and the lock pieces 25A, 25B are urged by the springs 27A, 27B to lock the magazine placed on the lift table 21. 28A and 28B are cam pieces integrally formed with the chassis 1A and 1B, and one end of the lock pieces 25A and 25B has one end of the cam pieces 28A and 28B when the lifting table 21 moves upward.
, The lock pieces 25A, 25B rotate against the urging force of the springs 27A, 27B, and unlock the magazine on the lift table 21. Reference numeral 29 is a micro switch attached to the chassis 1A, and the micro switch 29 is driven by the lift table 21 when the lift table 21 moves to the uppermost position.
Reference numeral 30 denotes a lever rotatably supported on one side of the lift table 21, and this lever 30 has a contact portion 30A that contacts the magazine when the magazine is placed on the lift table 21. It is formed integrally. 31 is a micro switch fixed to the lifting table 21, and this micro switch 31 is the lever 30
It is driven by the contact portion 30A. 32 is a lever rotatably supported by the chassis 1A, 33 is a spring whose one end is locked to one end of the lever 32 and the other end is locked to a locking piece of the chassis 1A, and 34 is integrated with the chassis 1A The lever 32 urged by the spring 33 is a stopper formed in the above, and its rotation is restricted by the stopper 34. Reference numeral 35 is a sliding plate slidably supported on the inner surface of the chassis 1B, and 36 is one of the above sliding plates.
Is a spring locked to the locking portion of the chassis 1B and the other end is biased in one direction by the spring 36. Reference numeral 37 is a driving piece attached to one end of the sliding plate 35, and the driving arm 37 drives the rotating arm of the magazine. A frame 38 is fixed to the upper part of the chassis 1A, 1B, and a magazine is inserted from a magazine insertion opening 38A formed by the frame 38. 39 is a rubber damper mounted on the outer surface of the chassis 1A, 1B, a support piece provided on the inner surface of the case covering the outer surface of the chassis 1A, 1B is inserted into the center hole of the damper 39, and the chassis 1A, 1B Etc. are movably supported in the case. 40 is a player, which is screwed into the chassis 1. 41 is a roller support plate screwed to the chassis of the player 40, 42A, 42
B is a bent portion formed by bending a part of the roller support plate 41, and bearings 43A and 43B are attached to the bent portions 42A and 42B. A shaft 44 is rotatably supported by the bearings 43A and 43B, and a gear 44A is fixed to one end of the shaft 44. 45 is a roller rotatably supported by the shaft 44, 46 is a shaft inserted in the long holes 47A, 47B of the bent portions 42A, 42B, and the driven rollers 48A, 48 of the shaft 46 are shown.
B is rotatably supported. Reference numeral 48C is a spring supported by the shaft 46, and the driven rollers 48A and 48B are biased toward the bent portions 42A and 42B by the elastic force of the spring 48C. The diameters of the driven rollers 48A, 48B on the central side are smaller than the diameters on the bent portions 42A, 42B side. 46A and 46B are springs, one end of which is locked to the bent portions 42A and 42B and the other end of which is locked to the shaft 46. The shaft 46 is biased upward by the elastic force of the springs 46A and 46B. , Driven roller 48A, 48
B is pressed by the roller 45. Reference numeral 49 is a gear rotatably supported by the bent portion 42B, and the gear 49 meshes with the gear 44A.

Next, the player 40 will be described. In FIGS. 4 to 8, 50 is a player chassis, 51 is a motor board, and this motor board is a motor board.
52 is installed. 53 is a worm gear fixed to the rotating shaft of the motor 52, 54 is a gear rotatably supported by the motor substrate 51, and the gear 54 is a worm gear portion 54A and a bevel gear portion 54B which mesh with the worm gear 53. Composed of. Reference numeral 55 is a gear rotatably supported by the motor substrate 51, and this gear 55 is composed of a bevel gear portion 55A and a gear portion 55B which mesh with the bevel gear portion 54B. The motor board 51 is screwed to the chassis 50. 56 is the chassis 50
The gear 56 is rotatably supported by a shaft planted on the side surface of the gear. The gear 56 is composed of a gear portion 56A meshing with the gear portion 55B of the gear 55 and another gear portion 56B. 57 is the gear
It is a gear composed of 57A and 57B, and the gear portion 57A meshes with the gear portion 56A of the gear 56. Reference numeral 58 denotes a pin drive plate rotatably supported by a shaft 59 that supports the gear 57, and the pin drive plate 58 has recesses 58A and 58B. 60
Is a leaf spring, and the pin drive plate 58 is pressed against the end surface of the gear 57 by the elastic force of the leaf spring 60 via a washer 61.

The rotational force of the motor 52 is transmitted to the gear 57 via the worm gear 53, the gear 54, the gear 55, and the gear 56, and the gear 57 and the pin drive plate 58 rotate.

Reference numeral 62 denotes a rotating plate rotatably supported by a shaft 62E planted in the side plate of the chassis 50.
Gear portion 62A meshing with gear portion 57B of 57, the pin drive plate 58
Pins 62B and 62C and cam holes 62D that enter the recesses 58A and 58B are formed. Reference numeral 63 denotes a roller support plate. Pins 63A and 63B provided on the left and right of the roller support plate 63 are inserted into the holes of the side plates of the chassis 50, and the roller support plate 63 is rotatably supported by the chassis 50. 63C and 63D are bending plates integrally formed with the roller support plate 63, and the shaft 64 is supported by the bending plates 63C and 63D. 65A and 65B are driven rollers rotatably supported by the chassis 64.
The diameters of the bent plates 63C and 63D of the 65A and 65B are formed to be larger than the diameter of the central portion side. 66 is a spring supported by the shaft 64, and the driven rollers 65A and 65B are urged in the direction of the bending plates 63C and 63D by the elastic force of the spring 66. 67A,
67B is a disc insertion prevention member screwed to the roller support plate 63, 68A, 68B is a drive pin provided on the bent plate 63C, 63D, the drive pin 68B, through the hole of the side plate of the chassis 50, It is inserted into the cam hole 62D of the rotating plate 62. The inversion spring 69A has one end locked to the shaft 62E and the other end locked to the tip of the drive pin 68B, and 69B has one end locked to the side plate of the chassis 50 and the other end locked to the drive pin 68A. It is a reverse spring. 70A and 70B are sliders slidably supported on the inner surface of the side plate of the chassis 50. The sliders 70A and 70B have inclined cam holes 7 into which the drive pins 68A and 68B are inserted.
1A and 71B are formed. Reference numeral 72 denotes a pin implanted in the slider 70B. The pin 72 penetrates a long hole 73 formed in the side plate of the chassis 50 and projects outward. Reference numeral 74 denotes an arm rotatably supported on the side plate of the chassis 50, and the pin 72 is inserted into a long hole 74A formed in the arm 74. 75 is an arm rotatably supported by the side plate of the chassis 50, and the long hole 75A formed in this arm 75
The pin 76 implanted in the slider 70A is inserted in the. 77 is the plunger solenoid screwed to the side plate of the chassis 50, 77A is the movable piece of the plunger,
A pin 77B is planted at the tip of the movable piece 77A. 77
C is a spring that biases the movable piece 77A. 78 is a slider slidably supported on the side plate of the chassis 50,
The pin 77B of the movable piece 77A is inserted into the recess 78A of the slider 78.
Are engaged. 79A and 79B are bearings locked to the side plates of the chassis 50, and the shaft 80 is rotatably supported by the bearings 79A and 79B. 81 is a roller, this roller
81 is rotatably supported on the shaft 80. 80A
Is a gear attached to one end of the shaft 80, and this gear 80A meshes with the gear portion 57A of the gear 57. 50A is a bent plate part formed by bending a part of the bottom plate part of the chassis 50,
The bent plate portion 50A is parallel to the side plate of the chassis 50. 8
2 is a slider that is slidably supported by the bent plate 50A, 83
Is a connecting arm rotatably supported on the bottom plate of the chassis 50, and the holes 83A and 83B formed in the connecting arm 83.
In addition, the pin 82A of the slider 82 and the slider 70B
Pin 70C is inserted. Locking portions for locking a substrate 84, which will be described later, are formed at the tip ends of the sliders 70A, 70B, 82.

Reference numeral 84 is a substrate movably supported by the chassis 50 by an oil-filled damper 85, and reference numeral 86 is a spring having one end locked to the chassis 50 and the other end locked to the substrate 84. A player unit 87 is fixed to the substrate 84. The player unit 87 includes a turntable 88, a motor 89 for rotating the turntable 88, and a lens 90 for condensing light emitted from a laser diode on a disc. A motor 91 for moving the lens 90 in the radial direction of the disc, a detector for detecting light reflected by the disc, and the like. A clamp support plate 92 is rotatably supported by the substrate 84, and a clamp plate 93 is rotatably supported by the clamp support plate 92. 92B and 92C are stopper pins implanted in the clamp support plate 92, and the disc transferred into the player 40 has these stopper pins.
The transfer is stopped by contacting 92B and 92C. The edge of the central hole of the disc is the turntable 88 and the clamp plate.
Held by 93 and. Reference numeral 94 is a cover plate that covers the upper end opening of the chassis 50, and the cover plate 94 is screwed to the chassis 50. Reference numeral 95 is a disc insertion preventing member attached to the lid plate 94, 96 is a printed circuit board attached to the lid plate 94, and the printed circuit board 96 is provided with two light receiving elements 96A and 96B. Reference numeral 97 denotes a printed circuit board screwed to the chassis 50. The printed circuit board 97 has two light emitting elements 97A,
97B and micro switch 97C are installed. The light receiving elements 96A and 96B of the printed board 96 and the printed board 9
The light-emitting elements 97A and 97B of 7 constitute a photocoupler.
Insertion or ejection of the disc into the player is detected by the pair of photocouplers.

Reference numeral 98 denotes a gear support plate screwed to the lid plate 94, and a gear 99 that meshes with the gear 49 is rotatably supported on the gear support plate 98. 100 is a gear rotatably supported by a gear support plate 98, and this gear 100 is the above-mentioned gear 99.
And a gear portion 100A and a gear portion 100B that mesh with the gear portion 56A of the gear 56. Reference numeral 101 is an intermittent gear rotatably supported by a gear support plate 98, and the intermittent gear 101 can mesh with a gear portion 100B of the gear 100. As shown in FIG. 8, the stopper piece 1 is provided on one surface of the intermittent gear 101.
01B is provided, and the shaft 101A is integrally formed on the other surface. The shaft 101A is inserted into a center hole of a roller 35B rotatably supported by a long hole 35A of a sliding plate 35 of the autochanger. 102 is an L-shaped arm rotatably supported by a gear support plate 98, and a pin 77B of a plunger 77 is inserted into a hole 102A formed at one end of the arm 102. 102B is a pin implanted at the other end of the arm 102,
The pin 102B can be engaged with a stopper piece 101B provided on one surface of the intermittent gear 101. A spring 103 has one end locked to the gear support plate 98 and the other end locked to the arm 102. Reference numeral 104 denotes an arm rotatably supported coaxially with the arm 102, and a pin 104A engageable with the recess 35C of the sliding plate 35 is planted at the tip of the arm 104. One end of 105 is locked to the arm 102,
The other end is a spring locked on the arm 104.
When the arm 102 is driven by the plunger 77,
The arm 102 is rotated, and the bending piece 10 of the arm 102 is further rotated.
The arm 104 is also driven by 2C, and the arm 104
Rotate in the same direction as 102.

The above auto changer and player are the central processing unit CP
U, random access memory RAM, read only memory RO
It is controlled by a controller such as M.

9 to 12 show a magazine. Figures 9-
In FIG. 12, reference numeral 150 denotes a housing whose bottom surface and front surface are open, and 151
Is a bottom plate that closes the opening on the lower surface of the housing 150, and this bottom plate 151 is attached to the housing 150 with screws. Reference numeral 152 denotes a plurality of partition plates stacked on the front opening of the housing 150, and disks are inserted and removed from between the partition plates 152. Reference numeral 153 denotes a rotation lever, and a plurality of rotation levers 153 are rotatably supported by the housing 150. When the rotating lever 153 is rotated, the disc stored in the housing 150 is pushed, and the disc is ejected from the front opening of the housing 150. Reference numeral 154 denotes a lock plate integrally formed at a lower end of a groove 155 formed on both side surfaces of the housing 150, and the lock plate 154 is locked by lock pieces 25A and 25B of the autochanger.

FIG. 11 shows a state where the bottom plate 151 of the magazine is removed. In FIG. 11, reference numerals 156, 157 and 158 are arcuate ridges formed in the housing 150, and the ridges 156 to 158 have a plurality of arcuate grooves 156A, 15 into which the outer peripheral portion of the disk 159 is inserted.
7A and 158A are formed in parallel. Reference numeral 160 denotes a shaft integrally formed with the housing 150, and the plurality of rotating levers 153 are rotatably supported on the shaft 160. Reference numeral 152 is the partition plate, and recesses 162A and 162B are formed on both sides of the partition plate 152. 163A and 163B are spacer portions integrally formed on both side portions of the partition plate 152. One spacer portion 163A has an L-shaped engaging portion 164 and a groove portion 165, and the other spacer portion 163B has a spacer portion 163B. A bearing portion 166 and a protrusion 167 are formed. Reference numeral 168 denotes a ridge formed on the front and back sides of the partition plate 152. The ridge 168 is high on the spacer portions 163A, 163B side, and the partition plate 152 is high.
Is slightly inclined so that the central portion side of the disc becomes lower, and only the outer peripheral portion of the disk 159 contacts the ridge 168. 170 is a leaf spring, and one side of this leaf spring 170 has a split spring piece 1
71 is integrally formed. The tip of the spring piece 171 is bent into an L shape. Reference numeral 172 is a bearing portion formed on the leaf spring 170. 173 is a regulation plate, and this regulation plate 173
A hole 174, into which the protrusion 167 of the partition plate 152 is inserted, is formed in the hole. 175 is a shaft, and this shaft 175 is inserted into the bearing portion 166 of each partition plate 152 and the bearing portion 166 of the leaf spring 170, and the shaft 175
Both ends of each are inserted into holes formed in the housing 150 and the bottom plate 151, respectively. Reference numeral 176 denotes a leaf spring screwed to the inner surface of the side surface of the housing 150. A split spring piece 177 is integrally formed on one side of the leaf spring 176, and a split spring piece is also formed on the other side. 178 is integrally formed. The tip of the spring piece 177 is bent into an L shape. The tip of the spring piece 178 of the leaf spring 176 is inserted into the locking portion 164 of the partition plate 152. The other side of the partition plate 152, one side of which is supported by the shaft 175, is pulled by the elastic force of the spring piece 178 of the leaf spring 176.

When the rotation lever 153 is rotated in the state shown in FIG. 11,
As shown in FIG. 12, the rear portion of the disk 159 is a rotating lever 1
It is pushed by 53 and pushed out from between the partition plates 152. In this case, the spring pieces 171 and 177 of the leaf springs 170 and 176 are restored after being pressed by the bearing disk 159, and the disk 169 is pushed forward by this restoring force. When the disc 159 is stored in the magazine after the performance is finished, the spring pieces 171 and 177 are restored after being pressed by the supporting disc 159, and the disc 159 is urged and stored by this restoring force.

Next, the operation of the above embodiment will be described. Prior to inserting the magazine into the autochanger, the platform 21 is at the top. When the lifting platform 21 is located at the uppermost right, one end of the lever 30 rotatably supported by the lifting platform 21 contacts the lever 32 supported by the chassis 1A. The contact portion 30A at the other end is located above the lift table 21. When the magazine is inserted from the frame body 38 in this state and the magazine is pressed downward against the elastic force of the spring 33, the contact portion 30A of the lever 30 is pushed by this magazine and the lever 30 rotates. The lever 30 rotates and the contact portion 30
When A moves to almost the same plane as the lift table 21, the contact portion 30A turns on the micro switch 31 (t _{1 in} FIG. 13). When the micro switch 31 is turned on, the motor 3 rotates, and the rotational driving force of the motor 3 causes the worm gear 4, the gear 7, and the gear 6A.
Is transmitted to the large gear 5 via the gear, and the large gear 5 rotates, and the gears 6B and 6C meshing with the large gear 5 also rotate. Therefore, the small gears 15A, 15B, 15C fixed to the screw rods 14A, 14B, 14C are gear wheels.
Since it is rotated by 6A, 6B, and 6C, the screw rods 14A to 14C also rotate. When the screw rods 14A to 14C rotate, these screw rods 14A to 1C
The elevating table 21 provided with nuts 22A to 22C screwed to 4C is guided by the guide rods 19A to 19B and descends. When the platform 21 begins to descend, the micro switch installed on the chassis 1A
29 is turned off (t _{2 in} Fig. 13) While the elevator board 21 is descending, the forced drive by the cam pieces 28A, 28B of the lock pieces 25A, 25B disappears, and the lock pieces 25A, 25B are locked by the springs 27A, 27B. It is urged to rotate, engages with the lock plate 154 of the magazine, and the magazine is locked to the lift table 21. When the lift table 21 reaches the bottom, the micro switch 12 provided on the board 2 is lifted.
The micro switch 12 is turned on by being driven by 21, the power supply to the motor 3 is cut off, and the rotation of the motor 3 is stopped (13th
Figure t ₃ ). When a predetermined time elapses after the power supply to the motor 3 is cut off, a reverse current is started to be supplied to the motor 3, the motor 3 rotates in the reverse direction, and the lift 21 starts to rise (see FIG. 13).
t ₄ ). After the motor 3 starts rotating in the reverse direction, the photo coupler 11
When a predetermined number of pulses are output, the reverse current supply to the motor 3 is stopped, and the lifting of the lift table 21 is stopped (t _{5 in} FIG. 13). The stop position of the lift table 21 becomes the reference position (the position for taking out the uppermost disc stored in the magazine).

After the rotation of the motor 3 is stopped (t _{5 in} FIG. 13) and a predetermined time has elapsed, the solenoid 77 of the plunger is energized (t _{6 in} FIG. 13). When the movable piece 77A is attracted by energizing the solenoid 77 of the plunger, the pin 77B is attached to the movable piece 77A.
The arm 102 connected by is rotated, and the arm 104 is also rotated by the bent piece 102C of the arm 102. When the arm 102 rotates as described above, the pin 102B at the tip of the arm 102 and the stopper piece 101B provided on the intermittent gear 101 are provided.
Disengages with. Further, when the arm 104 rotates as described above, the pin 104A of the arm 104 and the recess 35C of the sliding plate 35 are disengaged. Pin 104A of arm 104 and recess 3 of sliding plate 35
When the engagement with 5C is released, the sliding plate 35
Slides a little. Therefore, the intermittent gear 101 engaged with the elongated hole 35A of the sliding plate 35 via the shaft 101A and the roller 35B slightly rotates, and the intermittent gear 101 meshes with the gear portion 100B of the gear 100. When a predetermined time elapses after the plunger 77 is energized, a current is supplied to the motor 52 and the motor 52 starts rotating in a predetermined direction (t _{7 in} FIG. 13).

When the motor 52 rotates, the rotational driving force of this motor 52 becomes
It is transmitted to the intermittent gear 101 via the worm gear 53, the gear 54, the gear 55, the gear 56, and the gear 100, and the intermittent gear 101 rotates. When the intermittent gear 101 rotates, the shaft 10 of the intermittent gear 101
The sliding plate 35 engaged with 1A slides, and the driving piece 37 attached to the sliding plate 35 pushes one of the rotating levers 153 of the magazine, and the rotating lever 153 is rotated. When the rotating lever 153 rotates, the disc 159 housed in the magazine is pushed by the rotating lever 153, and the disc 159 is pushed out. Further, the rotational driving force of the motor 52 is transmitted to the gear 80A via the gear 57, and also the gear 100, the gear 99, and the gear
Since it is transmitted to the gear 44A via 49, the roller 81, the driven rollers 65A and 65B, the roller 45, and the driven rollers 48A and 48B rotate. Therefore, the disc pushed out from the magazine
159 is the rotating roller 45 and the driven rollers 48A and 48B.
Roller 81 being held and transported by and rotating further
And the driven rollers 65A and 65B are sandwiched and transferred. During the transfer of the disk 169, the light emitted from the light emitting element 97A to the light receiving element 96A is blocked by the disk 159 to be transferred (t _{8 in} FIG. 13), and further the light emitting element 97B moves to the light receiving element 96B.
The light emitted toward the light source is blocked by the disk 159 to be transferred (t _{9 in} FIG. 13). When the disk 159 is further transferred, the disk 159 between the light emitting element 97A and the light receiving element 96A is transferred.
As a result, the light is no longer blocked (t _{10 in} FIG. 13), and it is detected that the disc 159 has been transferred to a predetermined position. After a predetermined time from t ₁₀ , the solenoid 77 of the plunger is de-energized (t _{11 in} FIG. 13). When the power supply to the solenoid 77 is cut off, the slider 78 moves in the arrow X'direction. Therefore, the gear portion 62A of the rotating plate 62, which is pulled by the protrusion 78B of the slider 78 and is prohibited from meshing with the gear portion 57B of the gear 57, meshes with the gear portion 57B of the rotating gear 57. Then, the rotating plate 62 rotates. At this time, the pin drive plate 58 also rotates.

As described above, when the rotary plate 62 is rotated by the rotational driving force of the motor 52, the drive pin 68B of the roller support plate 63 inserted into the hole of the rotary plate 62 is pushed downward by the rotary plate 62. . Therefore, the roller support plate 63 rotates about the pins 63A and 63B as fulcrums. When the roller support plate 63 rotates, the driven rollers 65A and 65B supported by the roller support plate 63 also move downward. Therefore, the disc 159 moves downward, and the center hole of the disc 159 fits into the protruding portion of the turntable 88. When the roller support plate 63 rotates, this roller support plate 63
Micro switch 97C is turned on by 63 (see Fig. 12
t ₁₁ ) Since the drive pins 63A and 63B of the roller support plate 63 are inserted in the inclined cam holes 71A and 71B of the sliders 70A and 70B, respectively, when the drive pins 68A and 68B of the roller support plate 63 move downward. Driven by the drive pins 68A, 68B, the sliders 70A, 70B slide in the arrow X'direction. In addition, the slider 8 connected to the slider 70B via the connecting arm 83
2 slides in the direction of arrow X. When the sliders 70A, 70B and the slider 82 slide in the directions of arrows X'and X, respectively, the board 84, which is held by the tip holding portions of these sliders 70A, 70B, 82 and whose position is regulated, can be moved by the oil-filled damper 85. Will be supported by. The arm 74 is a slider 70.
Since the slider 70B is connected to the slider 70B through the pin 72 implanted in B, the arm 72 rotates clockwise when the slider 70B slides in the arrow X'direction. The arm 74 is for restricting the rotation of the clamp support plate 92, and
When 74 rotates clockwise as above, the clamp support plate
92 is rotated by being biased by the spring 92A, and the clamp plate 93 pushes the hole edge of the central hole of the disk 159 fitted to the protruding portion of the turntable 88. Therefore, the disc 159 is held by the turntable 88 and the clamp plate 93.

As described above, when the rotary plate 62 is rotated by the rotational driving force of the motor 52, the driven rollers 65A and 65B move downward, and thus the disk 159 moves downward and fits into the protruding portion of the turntable 88. The clamp plate 93 moves downward and the clamp plate 93 and the turntable 88 make a disc.
Holding 169, the substrate 84 becomes movable. Also,
When the micro switch 97C is turned on and a predetermined time has elapsed, the supply of current to the motor 52 is cut off and the rotation of the motor 52 is stopped (t _{12 in} FIG. 13).

Thus, loading of the disc 169 is completed, and thereafter the disc 169 is reproduced. The reproduction of the disc 169 is performed by rotating the turntable 88 with the motor 89 to rotate the disc 169 and detecting the light emitted from the lens 90 and reflected by the disc 169 via the lens 90.

Next, the operation of ejecting the disc 159 will be described.

When the reproduction of the disk 159 is completed and the disk eject is instructed during the reproduction (t _{13 in} FIG. ₁₃ ), the motor 52 rotates in the reverse direction after a predetermined time (t _{14 in} FIG. 13). When the motor 52 rotates in the reverse direction, the gear 57 rotates, the pin drive plate 58 rotates together with the gear 57, drives the pin 62C of the rotating plate 62, rotates the rotating plate 62, and rotates the rotating plate 62. The gear portion 62A of the gear is engaged with the gear portion 57B of the gear 57. Therefore, the rotating plate 62 rotates. When the rotary plate 62 rotates, the drive pin 68B is driven upward by the rotary plate 62. Therefore, the roller support plate 63 rotates, the driven rollers 65A and 65B move upward, the disk 159 is lifted upward, and the disk 159 is held by the rotating roller 81. When the drive pin 68B is driven upward, the sliders 70A, 70B and the slider 82 slide in the directions of arrows X, X'to regulate the position of the board 84, and the arm 72 rotates counterclockwise. The clamp support plate 92 is rotated upward.

The disk 159 lifted up by the driven rollers 65A and 65B is transferred in the arrow X'direction by the roller 81 rotated by the rotational driving force of the motor 52. Further, the disk 159 is held by the roller 45 rotated by the rotational driving force of the motor 52 and the driven rollers 48A and 48B, and transferred in the magazine direction. During this transfer, the light receiving element 96A is shielded from light by the disk 159 (t _{16 in} FIG. 13),
Light-receiving element 96B is terminated shading, (FIG. 13 of t _17), further shielding the light receiving element 96A is completed (the 13 Figure t _18). When a predetermined time elapses after the end of the light shielding of the light receiving element 96A is detected, the power supply to the motor 52 is cut off and the rotation of the motor 52 is stopped (t _{19 in} FIG. 13). The disk 159 is stored in the magazine before the rotation of the motor 52 is stopped.

Here, when reproduction of another disc is instructed, the motor 3
Rotates, the lift table 21 moves upward, and the magazine moves upward. When the motor 3 rotates, the rotating body 9 also rotates and the photocoupler 11 outputs a pulse. When the pulse output from the photo-coupler 11 for counting a predetermined number, the rotation of the motor 3 is stopped, FIG. 13 of t ₆ after the operation.

When the reproduction of the disc is completed and the magazine eject switch (not shown) is operated (t _{20 in} FIG. 13), the motor 3
Is energized to rotate the motor 3. Therefore, the lift 21
Rises. While the lift 21 is rising, the lock piece
One end of 25A, 25B abuts on a cam piece formed on the chassis 1A, 1B, and the lock pieces 25A, 25B are rotated against the urging force of the springs 27A, 27B to unlock the magazine. Further lift
When 21 is lifted, one end of the lever 30 supported by the lift 21 abuts on the lever 32 supported by the chassis 1A.
Therefore, the lever 30 rotates in response to the elevation of the lift table 21, and the contact portion 30A of the lever 30 moves above the surface of the lift table 21. Therefore, a part of the magazine placed on the lift table 21 is lifted by the contact portion 30A, and the magazine can be easily taken out from the magazine insertion opening 38A. Note the magazine is lifted by the contact portion 30A of the lever 30, the micro switch 31 is OFF (t ₂₁ of FIG. 13). If the lifting platform 21 is raised to the top, the micro switch 29 is turned ON, the motor 3 is stopped (t ₂₂ of FIG. 13).

As described above, in the present embodiment, the magazine is moved, the desired disk housed in this magazine is positioned on the reference plane P, and the sliding plate 35 is slid to move the desired disk out of the magazine. After taking out and transferring the taken out disc along the reference plane, the disc is clamped to the turntable 88 by the clamp plate 93, the turntable 88 is rotated, and the information recorded on the disc is read.
Since the disc is moved along the reference plane, the disc transfer mechanism is simplified, and the time until the disc is taken out of the magazine and clamped on the turntable 88 and the time for reading the information and re-storing the disc in the magazine are reduced. Can be shortened.

EFFECTS OF THE INVENTION As is apparent from the above-described embodiment, the present invention accurately moves the magazine vertically while maintaining the flatness of the magazine to position the desired disc to be reproduced on the reference plane with high precision, and to position the disc. Is taken out from the magazine, and the taken-out disc is always sandwiched at two places and can be transferred to the turntable along the reference plane while maintaining the flatness without swinging up and down. Even when it is used in a vehicle that is frequently operated, the disc to be played back is positioned with high accuracy on the reference plane, and the desired disc is taken out from the magazine surely and horizontally without causing scratches on the disc surface. The effect is that the disc can be supplied to the reproducing position in a short time by transferring only the disc.

[Brief description of drawings]

FIG. 1 is a schematic view of an automatic disc changer device according to an embodiment of the present invention, FIG. 2 is a side view of the same device, FIG. 3 is an exploded perspective view thereof, and FIGS. 4 and 5 are the automatic disc changer device. FIG. 6 is a side view of the player of the apparatus, FIG. 6 is an exploded perspective view of the player, FIG. 7 is a side view of a part of the player, and FIG. 8 is a side view of an intermittent gear portion of the player.
Figure is a perspective view of the magazine used in the disc auto-changer device. Figure 10 is an exploded perspective view of the magazine.
Figures and 12 are top views with the bottom plate of the magazine removed,
FIG. 13 is a diagram for explaining the operation of the disc autochanger. 1A, 1B ... Chassis, 2 ... Board, 3 ... Motor, 4 ...
… Worm gears, 5 …… Large gears, 6A, 6B, 6C …… Gears, 7
…… Gear, 7A …… Worm gear, 7B …… Gear, 8 ...
… Axis, 9 …… Rotating body, 10 …… Axis, 11 …… Photo coupler,
12 …… Micro switch, 13A, 13B, 13C …… Bearing, 14A, 1
4B, 14C …… Screw rod, 15A, 15B, 15C …… Spindle, 16A, 16B, 1
6C …… Bearing, 17A, 17B, 17C …… Flat spring, 18A, 18B, 18C ……
Protrusion, 19A, 19B …… Guide rod, 20A, 20B …… Protrusion, 21 ……
Lifting platform, 21A ... plate, 22A, 22B, 22C ... nuts, 23A, 23B,
23C ... leaf spring, 24A, 24B ... guide hole, 25A, 25B ... lock piece, 26A, 26B ... pin, 27A, 27B ... spring, 28A, 28B
...... Cam piece, 29 ...... micro switch, 30 ...... lever,
30A ... Contact part, 31 ... Micro switch, 32 ... Lever, 33 ... Spring, 34 ... Stopper, 35 ... Sliding plate, 35
A: long hole, 35B: roller, 35C: recess, 36: spring, 37: drive piece, 38: frame, 38A: magazine insertion slot, 39: damper, 40: player, 41 ...... Roller support plate, 42A, 42B ...... Bent portion, 43A, 43B ...... Bearing, 44 ...... Shaft, 44A ...... Gear, 45 ...... Roller, 46 ...... Shaft, 46A, 46B ...... Spring, 47A, 47B …… Long hole, 48A, 48B ……
Driven roller, 48C …… Spring, 49 …… Gear, 50 ……
Chassis, 50A …… Bending plate part, 51 …… Motor board, 52…
… Motor, 53 …… Worm gear, 54 …… Gear, 54A ……
Worm gear, 54B ... Bevel gear, 55 ... Gear, 55A
...... Bevel gear section, 55B ...... Gear section, 56 ...... Gear, 56A, 56B
...... Gear part, 57 …… Gear, 57A, 57B …… Gear part, 58 ……
Pin drive plate, 58A, 58B ... Recess, 59 ... Shaft, 60 ... Leaf spring, 61 ... Washer, 62 ... Rotating plate, 62A ... Gear part, 62B, 62C ... Pin, 62D ... Cam hole, 62E ... Axis, 63
...... Roller support plate, 63A, 63B ...... Pin, 63C, 63D …… Bending plate, 64 …… Shaft, 65A, 65B …… Driven roller, 66 ……
Spring, 67A, 67B ... Disc insertion prevention member, 68A, 6
8B: drive pin, 69A, 69B ... reversing spring, 70A, 70B ... slider, 70C ... pin, 71A, 71B ... cam hole, 72 ... pin, 73 ... long hole, 74 ... arm, 74A ... long hole, 75 ......
Arm, 75A ... long hole, 76 ... pin, 77 ... solenoid, 77A ... movable piece, 77B ... pin, 77C ... spring, 78 ... slider, 78A ... recess, 79A, 79B ... bearing , 80 …… Shaft, 80A …… Gear, 81 …… Roller, 82
…… Slider, 82A …… Pin, 83 …… Coupling arm, 83
A, 83B ... hole, 84 ... substrate, 85 ... oil damper, 86 ...
… Spring, 87… Player unit, 88… Turntable, 89… Motor, 90… Lens, 91… Motor, 92… Clamp support plate, 93… Clamp plate, 94…
Lid plate, 95 ... Disk insertion prevention member, 96 ... Printed circuit board, 96A, 96B ... Light receiving element, 97 ... Printed circuit board, 97A, 9
7B: Light emitting element, 97C: Micro switch, 98: Gear support plate, 99 ... Gear, 100 ... Gear, 100A, 100B ... Gear section, 101 ... Intermittent gear, 101A ... Shaft, 101B ... … Stopper piece, 102 …… arm, 102A …… hole, 102B …… pin, 1
03 …… Spring, 104 …… Arm, 104A …… Pin, 105
...... Spring, 150 …… Housing, 151 …… Bottom plate, 152…
… Partition plate, 153 …… Rotating lever, 154 …… Lock plate, 155
...... Grooves, 156,157,158 …… Slits, 156A, 157A, 158A ……
Groove, 159 ... Disc, 160 ... Shaft, 162A, 162B ... Recess, 163A, 163B ... Spacer section, 164 ... Locking section, 165 ...
… Groove, 166 …… Bearing, 167 …… Projection, 168 …… Ridge, 1
70 …… Leaf spring, 171 …… Spring piece, 172 …… Bearing part, 173…
… Regulation plate, 174 …… Hole, 175 …… Shaft, 176 …… Leaf spring, 177
…… Spring piece, 178 …… Spring piece.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Yoshiaki Nakagawa Yoshiaki Nakagawa 4-3-1, Tsunashima-higashi, Kohoku-ku, Yokohama-shi, Kanagawa Matsushita Communication Industrial Co., Ltd. (72) Yoshihiro Arimura Tsunashima-higashi, Kohoku-ku, Yokohama-shi, Kanagawa 4-3-1 Matsushita Communication Industrial Co., Ltd. (72) Inventor Yutaka Hino 4-3-1 Tsunashimahigashi, Kohoku-ku, Yokohama-shi, Kanagawa Matsushita Communication Industry Co., Ltd. (56) Reference JP-A-60-136056 (JP, A) Actually opened 62-63854 (JP, U) Actually opened 61-98259 (JP, U) Actually opened 60-166852 (JP, U)

Claims (1)

[Claims] 1. A magazine containing a plurality of disks, a lift table on which the magazine is placed and which is supported by an apparatus housing so as to be movable up and down, and elastic bodies interposed at three peripheral portions of the lift table. And the nuts sandwiched between them, and three feed screws that are respectively screwed into the nuts and urged downward by an elastic body and rotatably supported by the device housing, and the feed screws are rotated to move the lifting table. Drive means for moving the disk up and down to convey a desired disk to a predetermined reference plane height position, disk taking-out means for taking out the disk from the magazine, and two pairs of rubber rollers arranged horizontally at a predetermined interval. Disk transfer means for holding the disk and transferring it along the reference plane; clamp means for clamping the disk on a turntable arranged near the reference plane; A disc rotating means for rotating the over down table, the disk for Autochanger device consisting of an information reading means for reading information recorded on the disc.